Finding the Fourth Proportional to 70,971.27, 106,530.72 and 52,272.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,971.27 : 106,530.72 = 52,272.42 : x
2. Step 2: Convert to fraction form
   70,971.27/106,530.72 = 52,272.42/x
3. Step 3: Cross multiply
   70,971.27x = 106,530.72 × 52,272.42
4. Step 4: Simplify right side
   70,971.27x = 5,568,618,538.74
5. Step 5: Solve for x
   x = 5,568,618,538.74/70,971.27
6. Step 6: Final answer
   x = 78,463.00